如图,所有小正方形的边长都为1,A、B、C都在格点上.
(1)过点C画直线AB的平行线(不写画法,下同);
(2)过点A画直线BC的垂线,并注明垂足为G;过点A画直线AB的垂线,交BC于点H.
(3)线段_____的长度是点A到直线BC的距离;
(4)线段AG、AH的大小关系为AG_____AH.(填“>”或“<”或“=”),理由________.
(1)过点C画直线AB的平行线(不写画法,下同);
(2)过点A画直线BC的垂线,并注明垂足为G;过点A画直线AB的垂线,交BC于点H.
(3)线段_____的长度是点A到直线BC的距离;
(4)线段AG、AH的大小关系为AG_____AH.(填“>”或“<”或“=”),理由________.
![](https://img.xkw.com/dksih/QBM/2019/3/13/2159737579937792/2160545423171584/STEM/8adfa8aa5ce644358b0e10919237c58a.png?resizew=203)
11-12七年级上·江苏无锡·期末 查看更多[8]
更新时间:2019-03-14 22:23:49
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解答题-作图题
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适中
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【推荐1】如图,所有小正方形的边长都为1,
都在格点上.
画直线
的垂线,并注明垂足 为
;过点
画直线
的垂线,交
于点
(不写画法,保留画图痕迹);
(2)线段______的长度是点
到直线
的距离;
(3)线段
的大小 关系为
______
.(填“
”“
”或“
”)
(4)点
为图中一格点,且
的面积与
的面积相等,则满足要求的格点
有______个(点
不与点
重合).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
(2)线段______的长度是点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(3)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fcd5b2651d94d181d7534928d015b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
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(4)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b694b55240c0382a87e0d90505ae70.png)
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解答题-问答题
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名校
【推荐2】在如图所示的方格纸中,每个小正方形的顶点都叫做格点. 已知点A、B、C均在格点上.
![](https://img.xkw.com/dksih/QBM/2022/4/7/2953139894697984/2955364489256960/STEM/0d86cc80-380e-43bb-a947-a9bf8c9991c6.png?resizew=208)
(1)借助方格纸过点B画线段AC的平行线BD;
(2)借助方格纸过点B画线段AC的垂线BE,垂足为E;
(3)观察所画图形,点A到直线BE的距离是线段 的长度;
(4)BD与BE的位置关系是 ;
(5)比较大小:线段AB 线段BE(填“>”、“<”或“=”),理由是 .
![](https://img.xkw.com/dksih/QBM/2022/4/7/2953139894697984/2955364489256960/STEM/0d86cc80-380e-43bb-a947-a9bf8c9991c6.png?resizew=208)
(1)借助方格纸过点B画线段AC的平行线BD;
(2)借助方格纸过点B画线段AC的垂线BE,垂足为E;
(3)观察所画图形,点A到直线BE的距离是线段 的长度;
(4)BD与BE的位置关系是 ;
(5)比较大小:线段AB 线段BE(填“>”、“<”或“=”),理由是 .
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解答题-问答题
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【推荐1】如图,点
在三角形
的一边
上.
(1)过点
画
的平行线,交
于点
;
(2)过点
画
的垂线,垂足为点
;
(3)若
,求
和
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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(3)若
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解答题-作图题
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适中
(0.65)
【推荐2】如图,点P在
的边
上.
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按下列要求作图,并回答问题.
(1)过点P画射线
的垂线,垂足为点C;点P到射线
的距离是线段 的长;
(2)过点P画出直线
,若
,则
(用含α的代数式表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
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按下列要求作图,并回答问题.
(1)过点P画射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
(2)过点P画出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98e2c88007a305a54a1285eb17d0366.png)
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解答题-作图题
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适中
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【推荐1】如图,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)只能用直尺和三角尺,过C点画 CD∥AB,并保留作图痕迹.
(2)说明
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(1)只能用直尺和三角尺,过C点
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解答题-问答题
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【推荐2】动手操作题:如图,点A在∠O的一边OA上.按要求画图并填空:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/e790932a-41cb-4509-9ac1-2e14fcc6fe08.png?resizew=211)
(1)过点A画直线AB⊥OA,与∠O的另一边相交于点B;
(2)过点A画OB的垂线段AC,垂足为点C;
(3)过点C画直线CD∥OA,交直线AB于点D;
(4)∠CDB= °.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/e790932a-41cb-4509-9ac1-2e14fcc6fe08.png?resizew=211)
(1)过点A画直线AB⊥OA,与∠O的另一边相交于点B;
(2)过点A画OB的垂线段AC,垂足为点C;
(3)过点C画直线CD∥OA,交直线AB于点D;
(4)∠CDB= °.
您最近一年使用:0次